R 331
Common name: American Microphoner Company R 331
Production Status: Discontinued / Vintage
The R 331 is a bidirectional ribbon microphone. The impedance can be quickly changed between high and low. The microphone has a built-in shock-proof mounting with lock-latch and swivel. Includes 12.5 ft. single-conductor shielded rubber covered cable, black leatherette-covered storage box, velvet covered rubber cushioned interior.
Electrical Characteristics
Frequency Response
50Hz - 8 kHz
Output Sensitivity
17.78 mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
30/50/250/40000Ω
Recommended Load
Powering
Supply Current
mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
XLR-3M
Connector notes
Available Colours
Gold and black.
Weight
566.99 g
Length
155.57 mm
Min diameter width
Max diameter
50.8 mm
Depth
Accessories
Included
12.5 ft. single-conductor shielded rubber covered cable, black leatherette-covered storage box, velvet covered rubber cushioned interior.
Optional
ND desk stand. Suspension eye.